CN109830204A - A kind of sequence controller, display driving method, display device - Google Patents
A kind of sequence controller, display driving method, display device Download PDFInfo
- Publication number
- CN109830204A CN109830204A CN201910228874.5A CN201910228874A CN109830204A CN 109830204 A CN109830204 A CN 109830204A CN 201910228874 A CN201910228874 A CN 201910228874A CN 109830204 A CN109830204 A CN 109830204A
- Authority
- CN
- China
- Prior art keywords
- signal
- target frequency
- clock
- sequence controller
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0435—Change or adaptation of the frame rate of the video stream
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/06—Consumer Electronics Control, i.e. control of another device by a display or vice versa
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/14—Use of low voltage differential signaling [LVDS] for display data communication
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The present invention provides a kind of sequence controller, display driving method, display device, belongs to field of display technology, can solve the problem of that existing TCON only supports the display of some specified resolution that cannot be adapted to different resolution.Signal acquisition module and clock module, the control signal outside signal acquisition module acquisition are increased in sequence controller of the invention, and sequence controller is notified to generate the Timing driver signal for corresponding to different resolution demand；Clock module can dynamically respond current situation, and corresponding different resolution/refresh rate carries out the generation of corresponding clock signal.Therefore, what which can change exports different clock signals to LCD panel, to correspond to the display demand of different resolution or refresh rate.The timing of different refresh rates can be exported, dynamically also with being switched fast between the high and low refresh rate of dynamic implement.
Description
Technical field
The invention belongs to field of display technology, and in particular to a kind of sequence controller, display driving method, display device.
Background technique
Display device generally comprises display panel and the driving circuit for driving the display panel.The driving circuit packet
Include sequence controller (Timing controller；TCON), gate driving circuit and source electrode drive circuit.TCON can be to grid
Pole driving circuit exports the control signal of fixed frequency, allows the gate driving circuit according to the frequency pair of the control signal
The pixel unit of display panel is scanned.
At least there are the following problems in the prior art for inventor's discovery: the frequency one of the control signal of sequence controller output
As be that preparatory fixed setting is good, the frequency of the control signal is that the frequency of the display panel refreshed image (is also referred to as shown
The frame per second of device).I.e. current TCON generally only supports the display of some specific frequency, and the product of different frequency needs to set respectively
Count different chip adaptations.
Summary of the invention
The present invention only supports the display of some specified resolution for existing TCON, cannot be adapted to asking for different resolution
Topic provides a kind of sequence controller, display driving method, display device.
Solving technical solution used by present invention problem is:
A kind of sequence controller, comprising:
Signal acquisition module is transferred to clock for obtaining target frequency control signal, and by target frequency control signal
Module and output module；
Clock module generates corresponding clock signal for controlling signal according to target frequency, and the clock is believed
Number it is transferred to output module；
Output module, for the driving signal according to clock signal to driving circuit output target frequency, so that described
Driving circuit is shown according to target frequency driving display panel.
Optionally, the driving signal includes field sync signal and line synchronising signal, and the output module includes:
Driving unit generates corresponding Timing driver signal for controlling signal according to target frequency, and when by this
Sequence driving signal is transferred to field synchronization unit and row synchronization unit；
Field synchronization unit, for prepared according to clock signal and Timing driver signal target frequency field sync signal and to
Driving circuit output；
Row synchronization unit, for prepared according to clock signal and Timing driver signal target frequency line synchronising signal and to
Driving circuit output.
Optionally, the sequence controller further includes LVDS receiving unit, for inputting and target frequency to output module
The corresponding data-signal of rate, to control the driving signal that output module generates target frequency.
Optionally, the clock module includes TAF-DPS clock generator.
Optionally, the signal acquisition module includes:
Decision input unit, for controlling signal to I2C bus transmitting target frequency according to display state；
I2C bus, for target frequency to be controlled signal input clock module.
Optionally, the target frequency includes any one in 60hz, 120hz, 144hz.
This case also provides a kind of display driving method, comprising:
Signal acquisition module obtain target frequency control signal, and by target frequency control signal be transferred to clock module and
Output module；
Clock module controls signal according to target frequency and generates corresponding clock signal, and the clock signal is transmitted
To output module；
Output module exports the driving signal of target frequency according to clock signal to driving circuit, so that the driving is electric
Road is shown according to target frequency driving display panel.
This case also provides a kind of display device, including display panel, driving circuit and above-mentioned sequence controller.
Optionally, the driving circuit includes gate driving circuit and source electrode drive circuit, the field synchronization unit
It is connect with gate driving circuit, the row synchronization unit is connect with source electrode drive circuit.
Optionally, the display device includes Dynamically Announce state and static status display state, the Dynamically Announce state
Under target frequency be greater than the static status display state target frequency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sequence controller of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of the sequence controller of the embodiment of the present invention 2；
Fig. 3 is the partial structural diagram of the sequence controller of the embodiment of the present invention 2；
Fig. 4 is the structural schematic diagram of the display device of the embodiment of the present invention 4；
Fig. 5 is the application state schematic diagram of the display device of the embodiment of the present invention 4；
Wherein, appended drawing reference are as follows: 10, sequence controller；1, signal acquisition module；11, decision input unit；12, I2C is total
Line；2, clock module；3, output module；31, field synchronization unit；32, row synchronization unit；33, driving unit；4, LVDS receives single
Member；5, display panel；6, driving circuit；61, gate driving circuit；62, source electrode drive circuit.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Present invention is further described in detail for formula.
Embodiment 1:
The present embodiment provides a kind of sequence controllers, as shown in Figure 1, comprising: signal acquisition module 1, clock module 2, with
And output module 3；Wherein, signal acquisition module 1 is passed for obtaining target frequency control signal, and by target frequency control signal
It is handed to clock module 2 and output module 3；Clock module 2, which is used to control signal according to target frequency, generates corresponding clock
Signal, and the clock signal is transferred to output module 3；Output module 3 is used to be exported according to clock signal to driving circuit 61
The driving signal of target frequency, so that the driving circuit 61 is shown according to target frequency driving display panel 5.
Signal acquisition module 1 and clock module 2 are increased in the sequence controller of the present embodiment, signal acquisition module 1 obtains
External control signal is taken, and sequence controller is notified to generate the Timing driver signal for corresponding to different resolution demand；Clock
Module 2 can dynamically respond current situation, and corresponding different resolution/refresh rate carries out the production of corresponding clock signal
It is raw.Therefore, what which can change exports different clock signals to LCD panel, with correspond to different resolution or
The display demand of refresh rate.The timing of different refresh rates can be exported, dynamically also with fast between the high and low refresh rate of dynamic implement
Speed switching.
Embodiment 2:
The present embodiment provides a kind of sequence controllers, as shown in Figure 2, comprising: signal acquisition module 1, clock module 2, with
And output module 3；Wherein, clock module 2 includes TAF-DPS clock generator；Signal acquisition module 1 is for obtaining target frequency
Signal is controlled, and target frequency control signal is transferred to clock module 2 and output module 3；Clock module 2 is used for according to target
Frequency control signal generates corresponding clock signal, and the clock signal is transferred to output module 3；Output module 3 is used
In the driving signal according to clock signal to driving circuit output target frequency, so that the driving circuit is according to the target
Frequency driving display panel 5 is shown.
After signal acquisition module 1 in the present embodiment receives target frequency control signal, TAF-DPS clock generator meeting
According to the parameter requirements of current target frequency control signal, the clock of corresponding change is generated.The dynamic clock is to current defeated
Clock carries out dynamic adjustment out.In the concrete realization, only by the variation in several periods can to obtain immediately new clock source defeated
Out, it is supplied to the driving signal of the new target frequency of display circuit.I.e. the sequence controller can be believed with dynamical output difference timing
Number, it can support the display demand of multiresolution and more refresh rates.And circuit realization is simplified, and small area is easy for, low
The circuit design of cost.It should be noted that the TAF-DPS clock generator of this case can be in WO2018126720A1 and disclose
TAF-DPS clock generator, be also possible to other similar TAF clock generators.
In one embodiment, the signal acquisition module 1 includes decision input unit 11 and I2C bus 12；Decision is defeated
Enter unit 11 for transmitting target frequency control signal to I2C bus 12 according to display state；I2C bus 12 is used for target frequency
Rate controls signal input clock module 2.
As shown in figure 3, obtaining data by the signal of I2C bus 12 and external decision input unit 11 in the present embodiment
Interaction.It is connected by I2C bus 12, multiresolution/more refresh rates decision signal of decision input unit 11 will be input to
TAF clock module 2, the dynamic for carrying out system to current timing control.For example, when decision input unit 11 inputs target frequency control
When signal processed wishes that picture carries out high refresh rate display state, I2C bus 12 is sent in TAF clock generator.Specifically
, I2C bus 12 includes SCL signal line and SDA signal line, and wherein SDA signal line is bidirectional data line, when SCL signal line is
Clock line.Data are transmitted in I2C bus 12, send highest order first, and SDA is low electricity by high level jump between SCL high period
It is flat, then send the data of a byte.Data Transfer Done, by sending stop signal, SDA is between SCL high period by low
Level jump is high level.
In one embodiment, the target frequency includes any one in 60hz, 120hz, 144hz.
That is, the demand of a variety of different resolutions, the demand of a variety of refresh rates can occur in LCD is shown；Root
According to different demands, the target frequency in the present embodiment can be 480x320/60hz, 480x320/120hz, 1200x600/
60hz, 1920x1080/60hz, 1920x1080/144hz etc..
In one embodiment, the sequence controller further includes LVDS receiving unit 4, for inputting to output module 3
Data-signal corresponding with target frequency, to control the driving signal that output module 3 generates target frequency.
The effect of LVDS receiving unit 4 in the present embodiment is: inputting number corresponding with current demand to output module 3
According to stream, to control the driving signal that output module 3 generates target frequency, so that entire TCON sequence controller completion is current desired
Driving signal configuration.
As the optional embodiment of one of the present embodiment, the driving signal includes field sync signal letter synchronous with row
Number, the output module 3 includes driving unit 33, field synchronization unit 31 and row synchronization unit 32；Specifically, driving unit 33
Corresponding Timing driver signal is generated for controlling signal according to target frequency, and the Timing driver signal is transferred to field
Synchronization unit 31 and row synchronization unit 32；Field synchronization unit 31 is used to prepare target frequency according to clock signal and Timing driver signal
The field sync signal of rate is simultaneously exported to driving circuit；Row synchronization unit 32 is used to be prepared according to clock signal and Timing driver signal
The line synchronising signal of target frequency is simultaneously exported to driving circuit 61.
As shown in figure 4, field synchronization unit 31 is used to connect with the gate driving circuit 61 (gate driver) of LCD, the row
Synchronization unit 32 with source electrode drive circuit 62 (Source drive) for connecting；That is the door of LCD (column) driver, source (row) driver
It receives the signal from output module 3 and carries out display driving, and correspond to the display demand of different resolution.Wherein, door drives
Device, Source drive can be exported according to the timing of the TAF-DPS clock generator of insertion, realize that the dynamic of different resolution is cut
It changes.
The present embodiment carries out additional point using TAF (Time-Average-Frequency)-DPS clock generator technology
Resolution timing/refresh rate timing generates.I.e. this case is to joined I2C bus 12 on the basis of existing TCON, to obtain outside
Control signal, and notify clock module 2 generate correspond to different resolution demand Timing driver signal.Wherein signal acquisition
The external signal that module 1 obtains can come from the transducing signal in the systems such as upper layer software (applications) interface or vision/temperature, realize dynamic
The control parameter of state is incoming.
The sequence controller of the present embodiment can realize that two classes more easily design: the 1. novel sequence controllers can answer
For the LCD panel of a variety of different resolutions, suitable for being tested and being standardized verifying link；2. pair same panel,
It, can be with the display of dynamic driving difference refresh rate, so that monolithic panel possesses when there is demand in the physics allowed band of liquid crystal
The display of high refresh rate, and in general scene, conventional refresh rate is returned to control power consumption.
Embodiment 3:
The present embodiment provides a kind of display driving method, which includes:
S01, signal acquisition module obtain target frequency and control signal, and target frequency control signal is transferred to clock mould
Block and output module；
S02, clock module control signal according to target frequency and generate corresponding clock signal, and by the clock signal
It is transferred to output module；
S03, output module export the driving signal of target frequency according to clock signal to driving circuit, so that the drive
Dynamic circuit is shown according to target frequency driving display panel.
Embodiment 4:
A kind of display device is present embodiments provided, as shown in figure 4, including display panel 5, driving circuit 61, Yi Jishang
State the sequence controller 10 of embodiment.
In one embodiment, the driving circuit 6 includes gate driving circuit 61 and source electrode drive circuit 62, described
Field synchronization unit 31 is connect with gate driving circuit 61, and the row synchronization unit 32 is connect with source electrode drive circuit 62.
As shown in figure 4, field synchronization unit 31 is used to connect with the gate driving circuit 61 (gate driver) of display panel 5,
The row synchronization unit 32 with source electrode drive circuit 62 (Source drive) for connecting；That is the door of LCD (column) driver, source (row)
Driver receives the signal from output module 3 and carries out display driving, and corresponds to the display demand of different resolution.Wherein,
Gate driver, Source drive can be exported according to the timing of the TAF-DPS clock generator of insertion, realize different resolution
Switching at runtime.
In one embodiment, the display device includes Dynamically Announce state and static status display state, and the dynamic is aobvious
Show that the target frequency under state is greater than the target frequency of the static status display state.
Specifically, as shown in example in Fig. 5, decision input unit 11, can be to working as according to different display function states
The display pattern of preceding system is updated.For example, static menu, which can be respectively set, in it shows (a), dynamic audiovisual picture is shown
(b), for usual display system when carrying out menu use state, since picture is in the stationary state of long period, use is lower
Refresh rate have no effect on display effect, and advantageously reduce display system uses electrical power consumed.And in dynamic audiovisual picture state
In, picture often has more dynamic menu details, enters the display state of high refresh rate at this time, and it is higher aobvious to be supplied to user
Show effect.Under 120hz refresh rate, the stronger picture display effect of dynamic can be satisfied.
In practical applications, the design of more kinds of refresh rates can be loaded onto entire display system.According to when advance
The image content of row display, the picture of lower updating survey can be supported by the mode of low refresh rate, reach low-power consumption.And it is dynamic in height
In the audio-visual class application of state, high refresh rate can guarantee better display effect.
More specifically, decision input unit 11 can be right according to such as function menu, audio-visual picture, the functions such as static display
It should be in the list of labels of system service software, as the calling indicator for indicating current system.I.e. service labels obtain program
It reads in current system, the label substance of software service, and sends the decision input unit 11 of at most refresh rate.Decision input
Suitable mode control word is sent to TAF clock module 2 by I2C bus 12 by unit 11, carries out current working status more
Newly.It finally realizes and different resolution/refresh rate dynamic is supported.Whole flow process can be based on display state and display content
It is adaptive dynamic update, reduce cumbersome user's control, realize dynamical display system.
The embodiment of the present invention display device can be with are as follows: liquid crystal display panel, Electronic Paper, mobile phone, tablet computer, TV
Any products or components having a display function such as machine, display, laptop, Digital Frame, navigator.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of sequence controller characterized by comprising
Signal acquisition module is transferred to clock module for obtaining target frequency control signal, and by target frequency control signal
And output module；
Clock module generates corresponding clock signal for controlling signal according to target frequency, and the clock signal is passed
It is handed to output module；
Output module, for the driving signal according to clock signal to driving circuit output target frequency, so that the driving
Circuit is shown according to target frequency driving display panel.
2. sequence controller according to claim 1, which is characterized in that the driving signal includes field sync signal and row
Synchronization signal, the output module include:
Driving unit generates corresponding Timing driver signal for controlling signal according to target frequency, and the timing is driven
Dynamic signal is transferred to field synchronization unit and row synchronization unit；
Field synchronization unit, for preparing the field sync signal of target frequency according to clock signal and Timing driver signal and to driving
Circuit output；
Row synchronization unit, for preparing the line synchronising signal of target frequency according to clock signal and Timing driver signal and to driving
Circuit output.
3. sequence controller according to claim 1, which is characterized in that the sequence controller further includes that LVDS receives list
Member, for inputting data-signal corresponding with target frequency to output module, to control the drive that output module generates target frequency
Dynamic signal.
4. sequence controller according to claim 1, which is characterized in that the clock module includes TAF-DPS clock hair
Raw device.
5. sequence controller according to claim 1, which is characterized in that the signal acquisition module includes:
Decision input unit, for controlling signal to I2C bus transmitting target frequency according to display state；
I2C bus, for target frequency to be controlled signal input clock module.
6. sequence controller according to claim 1, which is characterized in that the target frequency include 60hz, 120hz,
Any one in 144hz.
7. a kind of display driving method characterized by comprising
Signal acquisition module obtains target frequency and controls signal, and target frequency control signal is transferred to clock module and output
Module；
Clock module controls signal according to target frequency and generates corresponding clock signal, and the clock signal is transferred to defeated
Module out；
Output module exports the driving signal of target frequency according to clock signal to driving circuit, so that the driving circuit is pressed
It is shown according to target frequency driving display panel.
8. a kind of display device, which is characterized in that including display panel, described in driving circuit and claim any one of 1-6
Sequence controller.
9. display device according to claim 8, which is characterized in that the sequence controller is as claimed in claim 2
Sequence controller, the driving circuit include gate driving circuit and source electrode drive circuit, the field synchronization unit and grid
Driving circuit connection, the row synchronization unit are connect with source electrode drive circuit.
10. display device according to claim 8, which is characterized in that the display device include Dynamically Announce state and
Static status display state, the target frequency under the Dynamically Announce state are greater than the target frequency of the static status display state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228874.5A CN109830204B (en) | 2019-03-25 | 2019-03-25 | Time schedule controller, display driving method and display device |
| US16/698,258 US11107437B2 (en) | 2019-03-25 | 2019-11-27 | Timing controller, display driving method and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228874.5A CN109830204B (en) | 2019-03-25 | 2019-03-25 | Time schedule controller, display driving method and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109830204A true CN109830204A (en) | 2019-05-31 |
| CN109830204B CN109830204B (en) | 2022-08-09 |
Family
ID=66872072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910228874.5A Active CN109830204B (en) | 2019-03-25 | 2019-03-25 | Time schedule controller, display driving method and display device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US11107437B2 (en) |
| CN (1) | CN109830204B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060653A (en) * | 2019-06-10 | 2019-07-26 | 北海惠科光电技术有限公司 | Driving circuit control method and device and driving circuit |
| CN111179874A (en) * | 2020-02-24 | 2020-05-19 | Tcl华星光电技术有限公司 | Driving method and driving system of display panel |
| CN111540330A (en) * | 2020-05-26 | 2020-08-14 | Tcl华星光电技术有限公司 | Liquid crystal driving circuit, liquid crystal driving method and liquid crystal display panel |
| CN112071272A (en) * | 2020-09-14 | 2020-12-11 | 武汉华星光电半导体显示技术有限公司 | Light-emitting control circuit and display panel |
| CN113257171A (en) * | 2021-06-17 | 2021-08-13 | 北京京东方显示技术有限公司 | Grid driving circuit and method, display panel and time sequence controller |
| CN113593463A (en) * | 2021-07-30 | 2021-11-02 | 福州京东方光电科技有限公司 | Display mode switching system and method and display device |
| CN114446239A (en) * | 2022-02-17 | 2022-05-06 | 京东方科技集团股份有限公司 | Display control method, device and system and display equipment |
| CN114842812A (en) * | 2022-05-20 | 2022-08-02 | 深圳创维－Rgb电子有限公司 | Display panel and control method thereof |
| WO2023005592A1 (en) * | 2021-07-30 | 2023-02-02 | 惠科股份有限公司 | Driving circuit of display panel and display device |
| WO2023035096A1 (en) * | 2021-09-07 | 2023-03-16 | 深圳市大疆创新科技有限公司 | Frame rate control method, control device, electronic device, and computer readable medium |
| US11721302B2 (en) | 2020-01-08 | 2023-08-08 | Asustek Computer Inc. | Display device capable of switching display mode and method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220051905A (en) * | 2020-10-19 | 2022-04-27 | 삼성디스플레이 주식회사 | Display device supporting a variable frame mode, and method of operating a display device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510419A (en) * | 2009-03-27 | 2009-08-19 | 北京海尔集成电路设计有限公司 | Apparatus and method for automatically adjusting frequency and phase of display |
| US20100225620A1 (en) * | 2006-03-23 | 2010-09-09 | Yong-Jae Lee | Display, timing controller and data driver for transmitting serialized mult-level data signal |
| CN102509538A (en) * | 2011-11-17 | 2012-06-20 | 朱敦尧 | T-CON realization method based on CPLD |
| CN102750932A (en) * | 2006-07-31 | 2012-10-24 | 夏普株式会社 | Display controller, display device, display system, and method for controlling display device |
| US20130100180A1 (en) * | 2010-07-13 | 2013-04-25 | Shenzhen Yangtze Live Co. Ltd | Color lcos display chip and control method |
| WO2016201892A1 (en) * | 2015-06-16 | 2016-12-22 | 邦彦技术股份有限公司 | Fpga-based synchronous video switching system and method |
| US20180061352A1 (en) * | 2016-08-31 | 2018-03-01 | Samsung Display Co., Ltd. | Display device and a method for driving the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185325A (en) * | 2015-08-12 | 2015-12-23 | 深圳市华星光电技术有限公司 | Liquid crystal display driving system and driving method |
| CN108270437B (en) * | 2017-01-04 | 2023-04-14 | 京东方科技集团股份有限公司 | Digital controlled oscillator, and all-digital frequency-locked loop and phase-locked loop based on digital controlled oscillator |
-
2019
- 2019-03-25 CN CN201910228874.5A patent/CN109830204B/en active Active
- 2019-11-27 US US16/698,258 patent/US11107437B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100225620A1 (en) * | 2006-03-23 | 2010-09-09 | Yong-Jae Lee | Display, timing controller and data driver for transmitting serialized mult-level data signal |
| CN102750932A (en) * | 2006-07-31 | 2012-10-24 | 夏普株式会社 | Display controller, display device, display system, and method for controlling display device |
| CN101510419A (en) * | 2009-03-27 | 2009-08-19 | 北京海尔集成电路设计有限公司 | Apparatus and method for automatically adjusting frequency and phase of display |
| US20130100180A1 (en) * | 2010-07-13 | 2013-04-25 | Shenzhen Yangtze Live Co. Ltd | Color lcos display chip and control method |
| CN102509538A (en) * | 2011-11-17 | 2012-06-20 | 朱敦尧 | T-CON realization method based on CPLD |
| WO2016201892A1 (en) * | 2015-06-16 | 2016-12-22 | 邦彦技术股份有限公司 | Fpga-based synchronous video switching system and method |
| US20180061352A1 (en) * | 2016-08-31 | 2018-03-01 | Samsung Display Co., Ltd. | Display device and a method for driving the same |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060653A (en) * | 2019-06-10 | 2019-07-26 | 北海惠科光电技术有限公司 | Driving circuit control method and device and driving circuit |
| US11978418B2 (en) | 2019-06-10 | 2024-05-07 | Beihai Hkc Optoelectronics Technology Co., Ltd. | Control method and control device of drive circuit and drive circuit |
| CN110060653B (en) * | 2019-06-10 | 2021-08-24 | 北海惠科光电技术有限公司 | Drive circuit control method and device and drive circuit |
| WO2020249019A1 (en) * | 2019-06-10 | 2020-12-17 | 北海惠科光电技术有限公司 | Driving circuit control method and device and driving circuit |
| US11721302B2 (en) | 2020-01-08 | 2023-08-08 | Asustek Computer Inc. | Display device capable of switching display mode and method thereof |
| CN111179874B (en) * | 2020-02-24 | 2021-07-23 | 苏州华星光电技术有限公司 | Driving method and driving system of display panel |
| CN111179874A (en) * | 2020-02-24 | 2020-05-19 | Tcl华星光电技术有限公司 | Driving method and driving system of display panel |
| CN111540330B (en) * | 2020-05-26 | 2022-03-08 | Tcl华星光电技术有限公司 | Liquid crystal driving circuit, liquid crystal driving method and liquid crystal display panel |
| CN111540330A (en) * | 2020-05-26 | 2020-08-14 | Tcl华星光电技术有限公司 | Liquid crystal driving circuit, liquid crystal driving method and liquid crystal display panel |
| CN112071272B (en) * | 2020-09-14 | 2022-03-08 | 武汉华星光电半导体显示技术有限公司 | Light-emitting control circuit and display panel |
| CN112071272A (en) * | 2020-09-14 | 2020-12-11 | 武汉华星光电半导体显示技术有限公司 | Light-emitting control circuit and display panel |
| CN113257171A (en) * | 2021-06-17 | 2021-08-13 | 北京京东方显示技术有限公司 | Grid driving circuit and method, display panel and time sequence controller |
| WO2023005592A1 (en) * | 2021-07-30 | 2023-02-02 | 惠科股份有限公司 | Driving circuit of display panel and display device |
| CN113593463A (en) * | 2021-07-30 | 2021-11-02 | 福州京东方光电科技有限公司 | Display mode switching system and method and display device |
| US11875726B2 (en) | 2021-07-30 | 2024-01-16 | HKC Corporation Limited | Drive circuit for display panel and display device |
| CN113593463B (en) * | 2021-07-30 | 2024-05-31 | 福州京东方光电科技有限公司 | Display mode switching system and method and display device |
| WO2023035096A1 (en) * | 2021-09-07 | 2023-03-16 | 深圳市大疆创新科技有限公司 | Frame rate control method, control device, electronic device, and computer readable medium |
| CN114446239A (en) * | 2022-02-17 | 2022-05-06 | 京东方科技集团股份有限公司 | Display control method, device and system and display equipment |
| CN114446239B (en) * | 2022-02-17 | 2023-08-18 | 京东方科技集团股份有限公司 | Display control method, device and system and display equipment |
| CN114842812A (en) * | 2022-05-20 | 2022-08-02 | 深圳创维－Rgb电子有限公司 | Display panel and control method thereof |
| CN114842812B (en) * | 2022-05-20 | 2023-08-15 | 深圳创维－Rgb电子有限公司 | Display panel and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20200312270A1 (en) | 2020-10-01 |
| US11107437B2 (en) | 2021-08-31 |
| CN109830204B (en) | 2022-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109830204A (en) | A kind of sequence controller, display driving method, display device | |
| CN102750932B (en) | Display controller, display device, display system, and method for controlling display device | |
| US20150002739A1 (en) | Image display system and image processing method capable of supporting uhd video/image data display | |
| CN111899680B (en) | Display device and setting method thereof | |
| CN101706710B (en) | System for controlling synchronous playing of multi-picture signal and control method thereof | |
| US8884938B2 (en) | Data driving apparatus and operation method thereof and display using the same | |
| JP2015511321A (en) | Receiving apparatus, video refresh frequency control method, apparatus and system | |
| TW200849213A (en) | Semiconductor integrated circuit device and data processor system | |
| CN115831032A (en) | Chip temperature drift processing method and device | |
| CN103065574A (en) | Display driving device | |
| CN102509538A (en) | T-CON realization method based on CPLD | |
| CN114267293B (en) | Display device and display method thereof | |
| CN112863419B (en) | Display device driving method, display device, and computer-readable storage medium | |
| CN102005198A (en) | Backlight module driving system and driving method | |
| CN100527785C (en) | Display synchronization signal generation apparatus in digital broadcast receiver and decoder | |
| US20170064389A1 (en) | Transmission apparatus, transmission method, reception apparatus, and reception method | |
| CN105788554B (en) | Display driver, display screen and terminal | |
| CN101414446B (en) | Data transmission system and method thereof | |
| CN115731893A (en) | Panel display switching circuit, panel display switching method and display panel | |
| CN104766578A (en) | Multi-voltage generation device and liquid crystal display | |
| CN112468756B (en) | Video signal non-lost frame display method and display equipment | |
| CN110349549B (en) | Driving method and driving circuit of liquid crystal display panel and display device | |
| CN113824940A (en) | Projection display device, method and system | |
| CN103440838B (en) | A kind of display control method and display device | |
| CN115148167B (en) | Driving circuit, driving method thereof and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |